Baltic amber stone with fossil insect - superb dustywing Coniopterygidae, Archiconiocompsa prisca.
It weighs 1.9 grams. Measurements of stone 43x16x3mm, length of lacewing body and head with wings ~ 2.9mm.
I can send digital high resolution picture by e-mail for personal (not commercial) use. Contact me concerning it.
If you which stone can be made into pendant for free. Please check if stone measurements are suitable for you.